National Oceanic and Atmospheric Administration1994-Report / Global Ozone Research and Monitoring Project, World Meteorological Organization
No. 37, 44, 47
World Meteorological Organization, Global Ozone Research and Monitoring Project1989]Report / Global Ozone Research and Monitoring Project, World Meteorological Organization
no. 20
National Aeronautics and Space Administration , Available from World Meteorological Organization[1988]Report / Global Ozone Research and Monitoring Project, World Meteorological Organization
No. 18